The ranking.
Every clinic in the directory, scored 0–100 across four editorial axes: diagnostic depth, medical supervision, conflict freedom, evidence base. The composite is a single number; the breakdown shows where it came from. Read the methodology for what each axis measures.
In 2026, the top-ranked longevity clinic worldwide is YEARS in Berlin, scoring 96/100 for its diagnostic-only model and absence of treatment-revenue conflicts. Biograph (San Francisco, 92) and Early Medical (Austin, 90) follow. The full 19-clinic ranking is below.
- #01 Best overall
YEARS
96 composite - #02
Biograph
92 composite - #03
Early Medical
90 composite - #04
Human Longevity Inc.
88 composite - #05
Fountain Life
87 composite - #06
Sheba Longevity Center
86 composite - #07
Hirslanden Klinik
85 composite - #08
Chi Longevity
84 composite - #09
Lanserhof
79 composite - #10
Aeon (Switzerland)
77 composite - #11
Clinique La Prairie
77 composite - #12
SHA Wellness Clinic
76 composite - #13
HUM2N Mayfair
75 composite - #14
AYUN
72 composite - #15
Prenuvo
72 composite - #16
Aviv Clinics
71 composite - #17
Function Health
70 composite - #18
Superpower
64 composite - #19
AEON Clinic
60 composite
Why these four.
A score is a shortcut. The reasoning that produces it is the work. Each axis carries 25 of the 100 points.
Diagnostic depth
Imaging quality, biomarker breadth, functional testing, and the clinical decisions the data actually enables.
Medical supervision
MD-led from intake to follow-up. Named medical director. Continuity care.
Evidence base
Treatments grounded in evidence. Experimental work is fine; unlabelled experimental work is not.